Derivative Instruments And Hedging Activities - Impact of Derivative Instruments Not Designated as Hedging Instruments on Consolidated Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Gain Recognized in Earnings on Derivatives	$ 1,309	$ 0	$ 3,375	$ 0
Foreign Exchange Contracts [Member] | Other Income (Expense), Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain Recognized in Earnings on Derivatives	$ 1,309	$ 0	$ 3,375	$ 0